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Vladimir79 [104]
3 years ago
8

11. At Price Chopper you are purchasing groceries and the bill comes out to be

Mathematics
1 answer:
Vinil7 [7]3 years ago
4 0

9514 1404 393

Answer:

  $181.19

Step-by-step explanation:

The coupon means you will pay 70% of the bill. The tax means you will pay 105.65% of the amount after the coupon is applied. Your final bill is ...

  $245 × 0.70 × 1.0565 ≈ $181.19

_____

Your bill after the coupon is applied will be ...

  bill - 0.30×bill = bill(1 - 0.30) = bill×0.70

The amount after tax is added is ...

  charge + 0.0565×charge = charge(1 +0.0565) = charge×1.0565

Since the final bill is the product of these factors, the order of application does not matter. Conventionally, tax is applied last, so that accounting with the tax collection authority is properly maintained.

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What is a cow well 11111111111111111111111111111111111111
dybincka [34]

Answer: it is all of them

Step-by-step explanation:

8 0
3 years ago
True or false? The quadratic equation 10p2 - 5p = -8 has one solution.
pav-90 [236]

Answer: False

=============================================

Explanation:

I'll use x in place of p.

The original equation 10x^2-5x = -8 becomes 10x^2-5x+8 = 0 after moving everything to one side.

Compare this to ax^2+bx+c = 0

We have

  • a = 10
  • b = -5
  • c = 8

Plug those three values into the discriminant formula below

d = b^2 - 4ac

d = (-5)^2 - 4(10)(8)

d = 25 - 40*8

d = 25 - 320

d = -295

The discriminant is negative, which means we have no real solutions. If your teacher has covered complex or imaginary numbers, then you would say that the quadratic has 2 complex roots. If your teacher hasn't covered this topic yet, then you'd simply say "no real solutions".

Either way, this quadratic doesn't have exactly one solution. That only occurs when d = 0. Therefore, the original statement is false.

6 0
2 years ago
Solve the system below using an appropriate method.
fiasKO [112]
Using substitution:
4x+2y=12
y=8x+1

4x+2(8x+1)=12

distribute
4x+16x+2=12

combine like terms
18x+2=12

subtract 2 from both sides
20x=10

divide each side by 20
x=10/20

reduce
x=1/2

plug in x for the y= equation
y=8(1/2)+1

multiply
y=4+1

add
y=5

answer:
(1/2,5)
5 0
3 years ago
Witch expression represents a number 5 times the difference of 6 and 2
nikklg [1K]

Answer:

i think it is 20

Step-by-step explanation:

6-2=4

4×5=20

6 0
3 years ago
Can anyone help me I need this help.
MAVERICK [17]

Answer:

sorry we cant see the work I would help if I see the pitcher plz

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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